Trial reportInternational urogynecology journal2026
Effect of Intermittent Catheter Clamping Training on Postoperative Urinary Function Recovery in Patients Undergoing Pelvic-Floor Reconstruction: A Prospective Randomized Controlled Trial.
Trial report in International urogynecology journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introduction and hypothesisTo investigate the effect of intermittent urinary catheter clamping training on the recovery of urinary function in patients after pelvic-floor reconstruction surgery.
methodsA prospective randomized study enrolled patients who underwent pelvic-floor reconstruction at a tertiary hospital from November 2024 to March 2025, with randomization to continuous drainage (n = 90) or intermittent clamping (n = 90) groups (sample size based on pilot data). Outcome measures included 24-/48-h voiding success, 1st-, 3rd-, and 6th-week incidence of urinary retention and urinary tract infection (UTI), as well as postoperative maximum urinary flow rate (Qmax) and Quality of Recovery-15 (QoR-15) score.
resultsBaseline characteristics were balanced (all p > 0.05). Intermittent clamping significantly improved 48-h voiding success (69.2% in the control group vs 86.4% in the intervention group, p = 0.047) and postoperative Qmax at all follow-up time points (all p < 0.001); UTI/urinary retention rates and hospital stay of the two groups were comparable. QoR-15 score was significantly higher in the clamping group at the 1st (absolute mean difference = 1.12 points), 3rd (absolute mean difference = 1.49 points), and 6th (absolute mean difference = 0.91 points) weeks (all p < 0.05), but did not meet the eight-point MCID. Subgroup analysis by surgical type showed that intermittent clamping improved Qmax in both the pelvic-floor repair with continence surgery and the repair alone subgroups (all p < 0.01). Subgroup analysis (preoperative PVR > 30 ml) showed that the clamping group had significantly reduced urinary retention (p = 0.031) and higher Qmax (p < 0.05).
conclusionsIntermittent catheter clamping after pelvic-floor reconstructive surgery enhances postoperative bladder function (higher Qmax) without increasing UTI risk or compromising recovery experience. It notably reduces urinary retention in patients with preoperative postvoid residual > 30 ml, serving as a valuable targeted perioperative strategy.
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